kern/38324: callout KASSERT firing

[martin%duskware.de@localhost]

>Number:         38324
>Category:       kern
>Synopsis:       callout KASSERT firing
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sat Mar 29 02:45:00 +0000 2008
>Originator:     Martin Husemann
>Release:        NetBSD 4.99.58
>Organization:
The NetBSD Foundation, Inc.
>Environment:
System: NetBSD sunny-weather.duskware.de 4.99.58 NetBSD 4.99.58 (SUNNY.MP) #20: 
Sat Mar 29 03:05:54 CET 2008 
martin%sunny-weather.duskware.de@localhost:/usr/src/sys/arch/sparc64/compile/SUNNY.MP
 sparc64
Architecture: sparc64
Machine: sparc64
>Description:

Just happened:

panic: kernel diagnostic assertion "((struct cpu_info *)c->c_oncpu)->ci_data.cp$
Stopped in pid 0.5 (system) at  netbsd:cpu_Debugger+0x4:        nop
db{0}> bt
__kernassert(129f858, 12ba7c0, 108, 12ba850, 147dab0, 1411000) at netbsd:__kerna
ssert+0x2c
callout_destroy(3a20a70, 0, 1272800, 12bc800, d04b180, 1479000) at netbsd:callou
t_destroy+0xbc
tcp_close(3a20960, 11657a8, 147dab0, d04b180, 1479480, d04bc00) at netbsd:tcp_cl
ose+0x108
tcp_timer_2msl(3a20960, d04b180, 147dab0, d04b180, 1479400, d04b180) at netbsd:t
cp_timer_2msl+0x84
callout_softclock(147d800, d04b180, 1458778, 1456778, 1459400, 1000000) at netbs
d:callout_softclock+0x2d0
softint_thread(d68e0c0, d04b180, 0, 12b9c00, 12b9c00, 12b9800) at netbsd:softint
_thread+0xd4
lwp_trampoline(f0067260, fff83cf8, 110000, 10ee98, fff83df8, 0) at netbsd:lwp_tr
ampoline+0x8

>How-To-Repeat:
n/a

>Fix:
n/a